Mechanical Behavior and Energy Evolution of Sandstone considering Slenderness Ratio Effect

Figure 6

The failure characteristics versus the slenderness ratio (the red regions represent the location of fall-blocks, the angles made up of two black lines represent the angle between those two failed zones and horizontal axis). (a) D = 0.5. (b) D = 1.0. (c) D = 1.5. (d) D = 2.0. (e) D = 2.0.

(a)

(b)

(c)

(d)

(e)